Pembina County Bridge Report Card
Pembina County scores 50 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Pembina County, North Dakota
Pembina County has 203 bridges in the National Bridge Inventory, with 47 rated poor and 1 rated scour-critical. Its poor-condition share of 23.2% is above the 11.1% statewide average. Poor-condition bridges carry about 4,693 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Pembina County a Bridge Condition Exposure Score of 50/100 (F). The county has 203 bridges in the National Bridge Inventory, including 47 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 4,693 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 23.2% | 40.0 |
| Poor-condition traffic exposure | 25 | 7.9% of measured traffic | 6.0 |
| Scour-critical bridge share | 20 | 0.5% | 1.0 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.3 |
| Traffic-data completeness | 5 | 59,089 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 23.2% |
| State Poor-Condition Share | 11.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.5% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 4,693 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Pembina County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Interstate 29 over Drain Ditch #39 | Poor condition + traffic exposure | Poor | 2,850 | 1958 |
| City Street over Tongue River | Poor condition + traffic exposure | Poor | 397 | 1907 |
| County Highway over Willow Creek | Poor condition + traffic exposure | Poor | 240 | 1950 |
| County Highway 12 over Drain Ditch | Poor condition + traffic exposure | Poor | 167 | 1967 |
| County Highway over Cart Creek | Poor condition + traffic exposure | Poor | 120 | 1927 |
| County Highway over Tongue River | Poor condition + traffic exposure | Poor | 108 | 1967 |
| County Highway over Creek | Poor condition + traffic exposure | Poor | 59 | 1949 |
| County Highway over Tongue River | Poor condition + traffic exposure | Poor | 59 | 1964 |
| County Road over Creek | Poor condition + traffic exposure | Poor | 59 | 1977 |
| County Highway over Tongue River | Poor condition + traffic exposure | Poor | 27 | 1955 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.